梯形的例句（梯形在句子中的用法）
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In the wedge - shaped plateau are great old cities supported by rich farmlands.
在梯形 状 的高地上,有肥沃农田赡养的著名古城.
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The diagonals of a ( an ) isosceles [ trapezoid, trapezoid, parallelogram ] are congruent.
等腰 梯形的对角线等长.
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Three kinds of flight cross sections were researched including rectangular section, hackle section and trapezoid section.
本文讨论的螺纹断面形状为三种:矩形断面 、 锯齿形断面,梯形断面.
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In section configuration, the depressions are either triangle or reversed trapezoid - fenestra structure.
剖面形态上, 这些断陷不是三角形就是倒梯形,即所谓的“花窗结构”.
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Accept evolution of breakthrough of classified guidance, key, echelon.
采取分类指导 、 重点突破 、 梯形发展.